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Engine : Expired / Refrigeration AC - 565/252
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Using the illustrated chart giving the boiling point of moisture at various depths of vacuum, with an ambient temperature of 72 °F, what depth of vacuum would be associated with the BEST chance of achieving a dehydration evacuation with a deep vacuum pump? Illustration GS-RA-56
A) 29.20" Hg or 20,320 microns of Hg absolute
B) 28.75" Hg gauge or 31,750 microns of Hg absolute
C) 29" Hg gauge or 25,400 microns of Hg absolute
D) 29.99" Hg or 254 microns of Hg absolute
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